body,p,h1,h2,h3,h4,h5,h6,ul,ol,li,dl,dt,dd,th,td,tr,table,input{
    margin: 0;
    padding: 0;
}
body{
    font: 12px/1.5 "sans-serif","Microsoft YaHei";
}
a{
    text-decoration: none;
}
input{
    border: none;
}
li{
    list-style: none;
}
.clearfix:after{
    display: block;
    content: "";
    clear: both;
}